Opportunity Zones (opportunityzones.help) MCP Server

by opportunityzones-www Your server? Claim it

answering

Opportunity Zones (opportunityzones.help) is answering right now. Last checked 9 min ago. It exposes 13 tools.

Opportunity Zone address and tract lookup (2018 zones and the 2027 round), state data, program.

Uptime history 5 hours of history

5 hours agonow

100.0%

Uptime 24h

17 of 17 checks

Tools

read from the server

143 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Opportunity Zones (opportunityzones.help) every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add opportunityzones-help --transport http https://www.opportunityzones.help/api/oz/mcp

Settings → Connectors → Add custom connector, then paste this address

https://www.opportunityzones.help/api/oz/mcp

~/.codex/config.toml

[mcp_servers.opportunityzones-help]
url = "https://www.opportunityzones.help/api/oz/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "opportunityzones-help": {
      "url": "https://www.opportunityzones.help/api/oz/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "opportunityzones-help": {
      "type": "http",
      "url": "https://www.opportunityzones.help/api/oz/mcp"
    }
  }
}

Available tools 13

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

calc

calc_180_day_deadline

Last day to invest a gain in a QOF, with every start date the taxpayer may choose (direct, pass-through K-1, section 1231, RIC/REIT dividend, installment) and whether the window reaches OZ 2.0 (Jan 1, 2027).

calc_2026_inclusion

Amount of deferred gain included on Dec 31, 2026 for a pre-2027 QOF investment, with the 10%/15% basis step-up where the holding period was met, and an estimated tax at the user's rate.

calc_90_percent_test

Averages the two semiannual testing dates and, if the fund falls short, computes the Form 8996 Part IV penalty month by month (pass month-end figures in monthly for an exact figure; otherwise testing-date figures are applied to each half-year and the result is flagged as an approximation) at an underpayment rate the caller supplies.

calc_oz2_benefit

Models an OZ 2.0 investment (5-year deferral, 10% or rural 30% step-up, 10-year exclusion capped at year 30) against paying tax now and investing the remainder.

calc_substantial_improvement

How much must be added to a building's basis within 30 months (100%, or 50% in a zone made up entirely of rural areas).

lookup

lookup_address

Geocodes a US street address (Census Bureau geocoder, falling back to OpenStreetMap; tract assignment by the FCC Census Block API) and returns its 2018 Opportunity Zone status (2010 tract), its status for the 2027 designation round (2020 tract: eligible, nominated or certified, with source), the rural flags, and Census ACS tract statistics.

lookup_coordinates

Same as lookup_address for a latitude/longitude point.

financing

get_financing_link

Link where a developer, sponsor or business owner can request debt financing for a project in an Opportunity Zone. Routed to Janover Capital LLC's desk; free, no obligation. Janover arranges loans; it does not sell fund interests.

key

get_key_dates

The program calendar: OZ 1.0 inclusion date, OZ 2.0 start, designation periods, filing dates.

plan

plan_working_capital

Spend-by dates for each cash infusion under the 31-month working capital safe harbor, and the 62-month outer limit available to start-up businesses.

qozb

check_qozb

Checks the 70% tangible property, 50% gross income, 40% intangibles and 5% nonqualified financial property tests and the excluded-business list.

state

get_state

Counts of 2018 zones, rural zones, 2027-eligible tracts and their nomination/certification status for one state or territory, with the official source.

tract

get_tract

Status for an 11-digit census tract GEOID. A 2010 GEOID is checked against the 2018 designations and a 2020 GEOID against the 2027 round; many GEOIDs exist in both vintages. If you already geocoded a property, pass geoid_2010 and geoid_2020 instead of geoid.

Endpoints

URL	Transport	State	Latency	Checked
https://www.opportunityzones.help/api/oz/mcp	streamable-http	answering	149 ms	9 min ago

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Opportunity Zones (opportunityzones.help) — questions

Answers built from our own checks of this server.

What can Opportunity Zones (opportunityzones.help) do?

It exposes 13 tools, read directly from the server on our last check. Among them: calc_180_day_deadline, calc_2026_inclusion, calc_90_percent_test, calc_oz2_benefit, calc_substantial_improvement, check_qozb and 7 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

What is Opportunity Zones (opportunityzones.help) mostly used for?

Its tools cluster around calc and lookup. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.

Is Opportunity Zones (opportunityzones.help) working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 17 of 17 checks got a reply (100.0%), average response time 143 ms. The bar chart above shows every period we have measured.

How do I connect Opportunity Zones (opportunityzones.help)?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Opportunity Zones (opportunityzones.help) need an API key?

No. Opportunity Zones (opportunityzones.help) completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 13 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Opportunity Zones (opportunityzones.help)?

It answers our handshake in 143 ms on average, which is faster than 82% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.